{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227069",
    "entityType": "User",
    "nonce": "0x49332bd4cf348db2d7c1af1071892863faf72e8025e44b7b2d6b5c66931c4e9c",
    "signature": "0xe9fff5883cfc953bcbf007c6362681c43348d94e87fc955f7fb08ac03333c6f560830e02061b1a05a791391b32a73258d22cf2741205da835d8db58f0e4ad3941c",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}